43     m_CommandListBegin = NULL;  in Initialize()
44     m_CommandListEnd = NULL;  in Initialize()
70     if ( ptr != NULL ) return ptr;  in AllocMemory()
74     if ( ptr != NULL ) return ptr;  in AllocMemory()
77     while( ptr == NULL )  in AllocMemory()
89     void* ptr = NULL;  in TryAllocMemory()
91     if ( m_CommandMemoryAreaZeroFlag ) return NULL;  in TryAllocMemory()
112     if ( ptr != NULL && m_CommandMemoryAreaBegin == m_CommandMemoryAreaEnd ) {  in TryAllocMemory()
137     if ( m_CommandListEnd == NULL )  in PushCommand()
148     command->next = NULL;  in PushCommand()
174     if ( m_CommandListBegin == NULL ) {  in FlushCommand()
202     m_CommandListBegin = NULL;  in FlushCommand()
203     m_CommandListEnd = NULL;  in FlushCommand()
214     while( command != NULL )  in FinalizeCommandList()
216         if ( command->next == NULL ) {  in FinalizeCommandList()